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Basic Info | |||
| Suggested Price | $180 | $330 | $250 |
| Release | 2015 | 2016 | 2014 |
Activity & Fitness | |||
| Calories | |||
| Cycling (Bicycling) | |||
| Distance | |||
| Heart | |||
| VO2max (Oxygen) | |||
| Sleep | |||
| Steps | |||
| Swim | |||
Battery | |||
| Duration | 6 days | 2 days | 2 days |
| Rechargeable | |||
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Compatibility | |||
| Android | |||
| iOS | |||
| Windows Phone | |||
| Mac | n/a | n/a | |
| Windows | n/a | n/a | |
Connectivity | |||
| Bluetooth | |||
| Cellular | |||
| GPS | |||
| NFC | |||
| Wi-Fi | |||
Display | |||
| Color | |||
| Resolution | 128 x 88 | 240 x 240 | 320 x 320 |
| Size | 0.73 inches | 1.3 inches | 1.6 inches |
| Touch | |||
| Type | PMOLED | TFT | TFT LCD |
Functions | |||
| Audio Speaker | Bluetooth | Alerts only | Bluetooth |
| Clock | |||
| Phone | |||
| Vibration | |||
| Voice | |||
Hardware | |||
| Accelerometer | |||
| Barometer or Altimeter | |||
| Ultraviolet Sensor | |||
| Water Resistance | IP57 | IPX8 | IP68 |
Notifications | |||
| Phone | |||
| Emails | |||
| Texts | |||
Software | |||
| Operating System | n/a | Android Wear | Android Wear |
| Apps | |||
| Music | |||
More Info & Buy | |||
| Amazon | Amazon | Amazon | |
